738157873 has 4 divisors (see below), whose sum is σ = 742281840. Its totient is φ = 734033908.

The previous prime is 738157817. The next prime is 738157879. The reversal of 738157873 is 378751837.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 738157873 - 2⁹ = 738157361 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (738157879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2061715 + ... + 2062072.

It is an arithmetic number, because the mean of its divisors is an integer number (185570460).

Almost surely, 2^738157873 is an apocalyptic number.

It is an amenable number.

738157873 is a deficient number, since it is larger than the sum of its proper divisors (4123967).

738157873 is a wasteful number, since it uses less digits than its factorization.

738157873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4123966.

The product of its digits is 987840, while the sum is 49.

The square root of 738157873 is about 27169.0609517517. The cubic root of 738157873 is about 903.7530002509.

The spelling of 738157873 in words is "seven hundred thirty-eight million, one hundred fifty-seven thousand, eight hundred seventy-three".